Profitec Pro 800 Lever w/PID - Page 7

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baldheadracing
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#61: Post by baldheadracing »

The Ventus was Ambiente&spresso's first machine IIRC - it was out at least a year before the Vesuvius (ETA: in Canada). I realize that Ambient now has a new name/business, but the machine hasn't changed AFAIK.
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GioTheDrfiter
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#62: Post by GioTheDrfiter »

FotonDrv wrote: ...
The Profitec 800 looks like a nice machine, but just a box on the outside.
As a previous owner of L1, what is your idea comparing it to Pro800? Pros & Cons?

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JohnB.
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#63: Post by JohnB. »

FotonDrv wrote:Next thing to add are rounded, fluted surfaces to the side panels.
Then you'd just need a nice Bosco decal for the front of the tray area. :lol:
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FotonDrv
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#64: Post by FotonDrv »

GioTheDrfiter wrote:As a previous owner of L1, what is your idea comparing it to Pro800? Pros & Cons?
The PID is a nice touch and if I remember correctly the Profitec has a lever to switch between tank/pump or line pressure and silent; no fiddling around when you might want to switch. That is only an advantage if you move the machine frequently, which I do/did not.

I think it has a larger boiler than the L-I but smaller than the L1-P.
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FotonDrv
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#65: Post by FotonDrv »

JohnB. wrote:Then you'd just need a nice Bosco decal for the front of the tray area. :lol:
As I understand it the Bosco is a "Dipper" design with that expansion tank on the back of the Group and the Londinium is a HX machine, which this Profitec 800 also appears to be an HX machine.

The question is, does the Profitec cold feed the HX or hot feed it. The L-I is cold fed where as the L1-P is hot fed HX.
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JohnB.
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#66: Post by JohnB. replying to FotonDrv »

The L1 is boiler feed. Your L1-P is HX fed & the HX is fed by cold line pressure water which is heated inside the boiler. Just like an Idro, & I would think that the Pro 800 would be the same. Is there any such thing as a hot fed HX?
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FotonDrv
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#67: Post by FotonDrv replying to JohnB. »

Maybe I got it reversed in my brain?

The L-I did have HX inside the boiler and Posted it in the original Londinium L-I Thread when I changed the heating element to try and stop the switch from burning up from to much power running through it.

Never looked inside the L1-P boiler to see the difference and as yet I do not think there will be any reason in my lifetime to take out that heating element.

I believe Reiss was the person who stated those differences.
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JohnB.
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#68: Post by JohnB. »

First I've heard of an HX inside the L1 boiler. It's a basic boiler fed thermosyphon machine. Boiler water flows into the group through one tube & back to the boiler through another. Right?? Typically an HX is a sealed tube inside a boiler with cold water flowing in to be heated by the boiler water on it's way to the group. That water will be at either line or pump pressure. Am I missing something?
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FotonDrv
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#69: Post by FotonDrv replying to JohnB. »

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homeburrero
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#70: Post by homeburrero »

JohnB. wrote:First I've heard of an HX inside the L1 boiler.
Reiss sometimes refers to the L1 as a "boiler-fed HX" rather than a dipper. That does cause some confusion because it's not properly an HX. It has a horizontal HX component built into the boiler with the two ends feeding the thermosyphon loop, but in the L1 instead of connecting the HX injector to the cold water line it has a loop of tubing that connects back into the boiler. Functionally not that different from a Faema Lambro (which has an HX-like component in the boiler with a hole in it instead of an injector.)
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